1.0 2016-05-22 03:54:15 UTC 2026-08-18 04:16:44 UTC 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic acid SmallMolecule 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic acid is an organic compound with the chemical formula C10H6N2O8S and an average molecular weight of 314.22 g/mol. 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic acid belongs to the naphthalene sulfonic acids and derivatives, a subclass of naphthalenes within the organic compounds. It is further classified under the superclass of benzenoids. The compound is found in or released from nine recorded sources. Within the category of electrical and electronic equipment, it is associated with electrodes, fixed capacitors and their manufacture, electric switches, electric hearing aids, and conductors or conductive bodies characterised by the conductive materials, along with one additional source. It is also identified in household cleaning and consumer products, specifically within soap detergents and bleaching agents. Additionally, the compound is linked to food, food processing and cookware, where it is used in food preservation. C10H6N2O8S 314.22 313.984486335 8-hydroxy-5,7-dinitronaphthalene-2-sulfonic acid naphthol yellow S 483-84-1 OC1=C(C=C(C2=C1C=C(C=C2)S(O)(=O)=O)N(=O)=O)N(=O)=O InChI=1S/C10H6N2O8S/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17/h1-4,13H,(H,18,19,20) FCQJEPASRCXVCB-UHFFFAOYSA-N Organic compounds Benzenoids Naphthalenes Naphthalene sulfonic acids and derivatives 2-naphthalene sulfonates 1-sulfo,2-unsubstituted aromatic compounds 2-naphthalene sulfonic acids and derivatives Hydrocarbon derivatives Naphthols and derivatives Nitroaromatic compounds Nitronaphthalenes Organic oxides Organic oxoazanium compounds Organonitrogen compounds Organooxygen compounds Organopnictogen compounds Organosulfonic acids Propargyl-type 1,3-dipolar organic compounds Sulfonyls 1-naphthol 1-nitronaphthalene 1-sulfo,2-unsubstituted aromatic compound 2-naphthalene sulfonate 2-naphthalene sulfonic acid or derivatives 2-nitronaphthalene Allyl-type 1,3-dipolar organic compound Aromatic homopolycyclic compound Arylsulfonic acid or derivatives C-nitro compound Hydrocarbon derivative Nitroaromatic compound Organic 1,3-dipolar compound Organic nitro compound Organic nitrogen compound Organic oxide Organic oxoazanium Organic oxygen compound Organic sulfonic acid or derivatives Organonitrogen compound Organooxygen compound Organopnictogen compound Organosulfonic acid Organosulfonic acid or derivatives Organosulfur compound Propargyl-type 1,3-dipolar organic compound Sulfonyl Aromatic homopolycyclic compounds C-nitro compound naphthalenesulfonic acid naphthols Detected and Not Quantified logp 1.8 logp -0.12 ALOGPS logs -4.22 ALOGPS solubility 1.91e-02 g/l ALOGPS logp 1.72 ChemAxon pka_strongest_acidic -2.9 ChemAxon pka_strongest_basic -7.9 ChemAxon iupac 8-hydroxy-5,7-dinitronaphthalene-2-sulfonic acid ChemAxon average_mass 314.22 ChemAxon mono_mass 313.984486335 ChemAxon smiles OC1=C(C=C(C2=C1C=C(C=C2)S(O)(=O)=O)N(=O)=O)N(=O)=O ChemAxon formula C10H6N2O8S ChemAxon inchi InChI=1S/C10H6N2O8S/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17/h1-4,13H,(H,18,19,20) ChemAxon inchikey FCQJEPASRCXVCB-UHFFFAOYSA-N ChemAxon polar_surface_area 166.24 ChemAxon refractivity 69.76 ChemAxon polarizability 25.82 ChemAxon rotatable_bond_count 3 ChemAxon acceptor_count 8 ChemAxon donor_count 2 ChemAxon physiological_charge -2 ChemAxon formal_charge 0 ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3bafed5ac0> 10226 9809